Simtronics MultiTox DGi-TT7-E Manuale utente

Operating Manual

NOSP 16452-05 (03/2018)

MultiTox Detector

MultiTox DGi-TT7-E

DGi-TT7-O

DG-TT7-S

MultiTox : DGi-TT7-E/O & DG-TT7-S Pa e 2 / 60 NOSP 16452-05 (08/2016)

MultiTox : DGi-TT7-E/O & DG-TT7-S Pa e 3 / 60 NOSP 16452-05 (08/2016)

Note

This manual must be carefully read by those who are or will be responsible for the operation

or maintenance of this product. The product may not perform as desi ned if not used or

maintained in accordance with the manufacturer's instructions.

The warranty made by Simtronics with respect to the product is voided if the product is not

used and maintained as described in this manual.

Please read the eneral warnin s in chapter 9.

MultiTox : DGi-TT7-E/O & DG-TT7-S Pa e 4 / 60 NOSP 16452-05 (08/2016)

1. Product description ............................................................................................................. 6

1.1. Application ................................................................................................................... 6

1.2. DGi-TT7-E .................................................................................................................... 7

1.3. DGi-TT7-O .................................................................................................................... 7

1.4. DG-TT7-S ..................................................................................................................... 7

1.5. Heatin ......................................................................................................................... 7

1.6. Technical specifications .............................................................................................. 8

1.7. Detection cartrid e ...................................................................................................... 9

1.8. Wireless Confi uration Tool ........................................................................................ 9

1.9. Product Code ............................................................................................................. 10

2. Techical features............................................................................................................... 12

3. Scales and technical data ................................................................................................. 16

4. Installation ........................................................................................................................ 17

4.1. Positionin ................................................................................................................. 17

4.2. Assembly ................................................................................................................... 17

4.3. Electric Connection.................................................................................................... 20

4.4. Detection cartrid e .................................................................................................... 26

5. Commissionin ................................................................................................................. 27

5.1. Visual inspection ........................................................................................................ 27

5.2. Power-up ................................................................................................................... 27

5.3. Operational tests ....................................................................................................... 27

6. Operation ........................................................................................................................... 28

6.1. Environmental conditions .......................................................................................... 28

6.2. Inhibition .................................................................................................................... 29

6.3. Si nal current loop .................................................................................................... 29

6.4. Alarm indication......................................................................................................... 30

6.5. Display indication ....................................................................................................... 31

6.6. Wireless communication tool TLU600 ....................................................................... 32

6.7. Information menu [INFO] ........................................................................................... 35

6.8. Adjustment menu [ADJT] ........................................................................................... 36

6.9. Maintenance menu [MAIN] ........................................................................................ 41

7. HART communication ....................................................................................................... 42

8. Maintenance ...................................................................................................................... 43

8.1. Periodic maintenance ................................................................................................ 43

8.2. List of main faults ...................................................................................................... 44

8.3. Replacin the cartrid e ............................................................................................. 45

8.4. Replacin the complete detector .............................................................................. 45

MultiTox : DGi-TT7-E/O & DG-TT7-S Pa e 5 / 60 NOSP 16452-05 (08/2016)

9. Warnin s ........................................................................................................................... 46

9.1. Safety ......................................................................................................................... 46

9.2. Ownership and confidentiality ................................................................................... 46

10. Warranty ........................................................................................................................ 46

11. CERTIFICATIONS AND STANDARDS ............................................................................. 47

11.1. Product standards.................................................................................................. 47

11.2. Approvals ............................................................................................................... 47

11.3. Markin .................................................................................................................. 48

12. Accessories and spare parts ......................................................................................... 49

12.1. Accessories ............................................................................................................ 49

12.2. Spare parts ............................................................................................................. 51

12.3. Gas table codes & ran e table codes .................................................................... 52

13. Declaration of conformity .............................................................................................. 54

14. Contact details ............................................................................................................... 56

MultiTox : DGi-TT7-E/O & DG-TT7-S Pa e 6 / 60 NOSP 16452-05 (08/2016)

1. PRODUCT DESCRIPTION

The DGi-TT7-E is desi ned to monitor poisonin risk induced by the presence of toxic ases

or vapours (hydro en sulphide, carbon monoxide, ammonia...).

The DGi-TT7-O is desi ned to monitor the oxy en concentration in %vol either for inertin

(scales 1 or 5%vol.) or in breathable atmosphere control (Scale 0-25%vol).

Both versions are equipped with electrochemical cells.

The DGi-TT7-S is desi ned to monitor poisonin risk induced by the presence of toxic ases

or vapours, such as hydro en sulphide. This version is equipped with semiconductor cells.

Detectors can be connected to a lar e ran e of controllers or PLC.

These detectors may be confi ured usin the portable communication terminal (TLU600),

providin flexibility to the user.

Thus, calibration and maintenance operations can be undertaken by a sin le operator.

MultiTox are also available for use in an addressable network system with distributed

intelli ence SYNTEL. For more information, please refer to the Syntel module interface

operatin manual.

1.1. Application

The DGi-TT7 and DG-TT7 are suitable for indoor or outdoor use and offer a fast response

time. Typical applications include:

•Stora e of toxic products

•Monitorin of processes with toxic products

•Oxy en detection in inert atmosphere (DG-TT7-O)

•Chemical and petrochemical plants

•Drillin platforms

•Refineries

MultiTox : DGi-TT7-E/O & DG-TT7-S Pa e 7 / 60 NOSP 16452-05 (08/2016)

1. . DGi-TT7-E

The DGi-TT7-E is a MultiTox detector based on a transducer with electrochemical cell, which

requires oxy en to function properly.

The measurin principle is based on a redox reaction.

In the event of a lon period without oxy en, the measurement will not be representative of

ases or vapours concentration.

The characteristics of the device can also be altered by exposures to hi h concentrations or

by extended periods in hot and dry atmosphere.

1.3. DGi-TT7-O

The DGi-TT7-O is a MultiTox detector based on a transducer with electrochemical cell. The

measurement ran e is expressed in %vol O2.

The measurin principle is based on one of the principle of the « oxy en cell ».

Characteristics of the device can also be altered by exposures to extended periods in hot and

dry atmosphere.

1.4. DG-TT7-S

Le DG-TT7-S is a MultiTox detector based on a transducer with semi-conductor cells, which

requires oxy en to function properly. It is used mainly for hydro en sulphide detection in

difficult industrial environment.

The measurin principle is based on oxidation and adsorbin reactions on films surface of

heated semi-conductor.

This sensor uses a sensitive element that only requires half-yearly calibration and does not

require any injection of hi h concentration as to reactivate his sensitive element.

The measurement will not be representative anymore of the concentration of ases or

vapours if the detector is exposed too lon time without oxy en or in a very dry atmosphere.

Characteristics of the device can also be altered by the presence of some poisons, such as

silicon vapours.

1.5. Heating

In hard environmental conditions, with condensation or frost, ases and vapours may not

reach the sensor. The device takes into account this difficulty and keeps its temperature

sli htly above that of the ambient atmosphere.

MultiTox : DGi-TT7-E/O & DG-TT7-S Pa e 8 / 60 NOSP 16452-05 (08/2016)

1.6. Technical specifications

Each detector is constructed as follows:

•A wall-mounted support secured by three screws and includin cable land (M20)

(optional). There are 2 standard entries and an optional one.

•A stainless steel explosion-proof housin containin :

•A set of tropicalized electronic cards

•A display and infrared communication electronic card. Allowin the

communication with the remote control (TLU600)

•A colour coded cartrid e with a label located in the lower part of the detector, a reen

one for the toxic as detectors with electrochemical cell (DGi-TT7-E), a blue one for

the oxy en deficiency as detectors with electrochemical cell (DGi-TT7-O) and an

oran e one for semi-conductor toxic as detectors (DG-TT7-S)

The cartrid e is connected to the detector’s body by an open rin leavin

the label visible.

A colored rin enables the identification of the device type at a lar er

distance.

•A metallic support cable (optional) connects the wall mountin support and the

housin , which makes the maintenance easier.

Fi ure 1 :

Layout drawin

(Outline drawin – see Fi ure 2 : )

MultiTox : DGi-TT7-E/O & DG-TT7-S Pa e 9 / 60 NOSP 16452-05 (08/2016)

1.7. Detection cartridge

Detection cartrid es are:

•Intrinsic safety “ia” for the DGi-TT7-E- and DGi-TT7-O versions. They can be removed

when the detector is powered.

•Explosion proof “d” for the DG-TT7-S versions. They cannot be removed when the

detector is powered.

They are common to all Simtronics MultiTox products in order to reduce the number of

spares parts.

•DGi-RT7-E / DGi-RT7-O et DG-RT7-S: Network versions for Syntel loop,

•DGi-TT7-E / DGi-TT7-O et DG-TT7-S: « Telecapteur » versions,

Storin electrochemical cartrid es ( reen or blue label) for lon periods is not

recommended, as their shelf-life is short. Cartrid es should be used within 6 months (from

the date of purchase).

In order to uarantee the metrolo ical characteristics of the device, the cartrid es must be

stored in their ori inal packa in until commissionin . For a lon -term stora e, the

cartrid es will be stored in a dry place, between 0°C and 20°C.

After a lon stora e period, more than one month, the cartrid e will be stabilized for several

hours, in order to perform the nominal characteristics.

1.8. Wireless Configuration Tool

Information and status of the detector are available via the wireless confi uration tool

TLU600/610.

Confi uration and tests are performed usin this wireless confi uration tool (IrDA protocol).

This tool is common for all Simtronics MultiFlame, MultiXplo and

MultiTox products.

The TLU600/610 provides access to devices that, otherwise, would

require major lo istic operations for maintenance or for

confi uration (calibration…).

For more details, please refer to the wireless confi uration tool

operatin manual.

Some versions are equipped with the HART communication protocol, enablin

the use of all functions available with the TLU (see §7)

MultiTox : DGi-TT7-E/O & DG-TT7-S Pa e 10 / 60 NOSP 16452-05 (08/2016)

1.9. Product Code

Product codes are created from functional codes defined as below:

DGi-*T7-****-***-**-***-*-*-* et DG-*T7-****-***-**-***-*-*-*

Detector type

T T 7 31 AF -S X H -C 0 -00J -0 -C -0

Compact Sensor

Télécaptor

Network version

Replacement cell

Accessories

Families

Toxic

Flame

Flammable gas

None

Version

BT606 housing

BT10 housing

Gas type

** Refer to gas matrix

Measurement range

** Refer to gas matrix

Type

XV UVIR2

XT IR3

XW UV

Detection range

A0 Standard range

B0 Long range

Input

Type

Not used or flame

Electrochemical

Semi-conductor

Catharometer

Catalytic

MECH

TOR input

Current input 0/22 mA

I**

Infrared

W**

½ Wheatstone bridge

Variant

Aluminium

SS316

Output

Interface

1-2 mA protocol

0-22mA protocol (fault signalling in 0-4mA range)

4-20 mA protocol (Common fault signal 2 mA)

4 – 20 mA / 0-22 mA configurable & HART protocol

4 – 20 mA / 0-22 mA configurable

Wheatstone

LON

4 – 24 mA for compact explosimeter

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